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Related papers: B-Meson Wave Function through A Comparative Analys…

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In the paper, we apply the $k_T$ factorization approach to deal with the $B\to K$ transition form factor $F^{B\to K}_{+,0}(q^2)$ in the large recoil regions. The B-meson wave functions $\Psi_B$ and $\bar\Psi_B$ that include the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Xing-Gang Wu , Tao Huang , Zhen-Yun Fang

New sum rules for $B\to \pi,K $ and $B\to \rho,K^*$ form factors are derived from the correlation functions expanded near the light-cone in terms of B-meson distribution amplitudes. The contributions of quark-antiquark and…

High Energy Physics - Phenomenology · Physics 2008-11-26 Alexander Khodjamirian , Thomas Mannel , Nils Offen

In the paper, we apply the $k_T$ factorization approach to deal with the $B\to K$ transition form factor with tensor current in the large recoil regions. Main uncertainties for the estimation are discussed and we obtain $F_T^{B\to…

High Energy Physics - Phenomenology · Physics 2008-11-26 Dai-Min Zeng , Xing-Gang Wu , Zhen-Yun Fang

In this article, we study the $B \to K^*_2(1430)$, $a_2(1320)$, $f_2(1270)$ form-factors with the light-cone QCD sum rules, where the $B$-meson light-cone distribution amplitudes are used. In calculations, we observe that the line-shapes of…

High Energy Physics - Phenomenology · Physics 2015-03-17 Zhi-Gang Wang

We derive a set of light-cone sum rules relating the hadronic form factors relevant for $B\to K\pi\ell^+\ell^-$ decays to the $B$-meson light-cone distribution amplitudes (LCDAs). We obtain the sum rule relations for all $B\to K\pi$ form…

High Energy Physics - Phenomenology · Physics 2020-02-26 Sébastien Descotes-Genon , Alexander Khodjamirian , Javier Virto

We compute perturbative corrections to $B \to \pi$ form factors from QCD light-cone sum rules with $B$-meson distribution amplitudes. Applying the method of regions we demonstrate factorization of the vacuum-to-$B$-meson correlation…

High Energy Physics - Phenomenology · Physics 2015-12-09 Yu-Ming Wang , Yue-Long Shen

This thesis examines the applications and determinations of meson light-cone distribution amplitudes. The investigation of such processes, in the context of $B$ physics, provides one with a rich and extensive way of determining the Standard…

High Energy Physics - Phenomenology · Physics 2007-10-25 Gareth Warren Jones

We derive new QCD sum rules for $B\to D$ and $B\to D^*$ form factors. The underlying correlation functions are expanded near the light-cone in terms of $B$-meson distribution amplitudes defined in HQET, whereas the $c$-quark mass is kept…

High Energy Physics - Phenomenology · Physics 2009-04-24 S. Faller , A. Khodjamirian , Ch. Klein , Th. Mannel

We derive a set of light-cone sum rules relating the $S$-wave $B\to K \pi$ hadronic form factors to the $B$-meson light-cone distribution amplitudes (LCDAs), taking into account the complete set of LCDAs up to and including twist four.…

High Energy Physics - Phenomenology · Physics 2023-06-21 Sébastien Descotes-Genon , Alexander Khodjamirian , Javier Virto , K. Keri Vos

We calculate the form factors for the heavy-to-light transitions $B\rightarrow \pi,K $ by means of QCD sum rules using $\pi$ and $K$ light-cone wave functions. Higher twist contributions as well as gluonic corrections are taken into…

High Energy Physics - Phenomenology · Physics 2019-08-15 V. M. Belyaev , A. Khodjamirian , R. Rückl

We reconsider and update the QCD light-cone sum rules for $B\to \pi$ form factors. The gluon radiative corrections to the twist-2 and twist-3 terms in the correlation functions are calculated. The $\bar{MS}$ $b$-quark mass is employed,…

High Energy Physics - Phenomenology · Physics 2009-01-06 G. Duplancic , A. Khodjamirian , Th. Mannel , B. Melic , N. Offen

By incorporating the available leading-power results at $\mathcal{O}(\alpha_s)$ and next-to-leading-power corrections at tree level, we improve the precision of the theoretical predictions for $B\to\pi$ form factors to the…

High Energy Physics - Phenomenology · Physics 2025-12-24 Yong-Kang Huang , Dong-Hao Li , Cai-Dian Lü , Bo-Xuan Shi , Hui-Xin Yu

We study $B\to\pi\pi$ form factors using QCD light-cone sum rules with $B$-meson distribution amplitudes. These form factors describe the semileptonic decay $B\to \pi\pi \ell\bar{\nu}_{\ell}$, and constitute an essential input in $B\to…

High Energy Physics - Phenomenology · Physics 2017-06-09 Shan Cheng , Alexander Khodjamirian , Javier Virto

Recent work on $B \to \pi$, $K$ and $B\to D$ form factors from lattice QCD and light-cone sum rules has made it possible to constrain the inverse moment $\lambda_B$ of the $B$-meson light-cone distribution amplitudes by performing a global…

High Energy Physics - Phenomenology · Physics 2026-05-28 Dong-Hao Li , Cai-Dian Lü , Ulf-G. Meißner , Jing Gao

We calculate the next-to-leading order QCD corrections to $B$ to scalar meson form factors from QCD light-cone sum rules with $B$ meson light-cone distribution amplitudes. We demonstrate that the $B$ meson-to-vacuum correlation functions…

High Energy Physics - Phenomenology · Physics 2023-10-17 Xue-Ying Han , Long-Shun Lu , Cai-Dian Lü , Yue-Long Shen , Bo-Xuan Shi

In the paper, we show that the $B\to\pi$ transition form factor can be calculated by using the different approach in the different $q^2$ regions and they are consistent with each other in the whole physical region. For the $B\to\pi$…

High Energy Physics - Phenomenology · Physics 2009-11-10 Tao Huang , Xing-Gang Wu

We suggest to update the expansion coefficients of 2$\pi$DAs with the distribution amplitudes of light mesons evaluated from lattice QCD, with which we revisit $\overline{B}^0 \to \pi^+\pi^0$ transition form factors from light-cone sum…

High Energy Physics - Phenomenology · Physics 2019-04-03 Shan Cheng

The tensor form factors of $B$ into p--wave axial vector meson transition are calculated within light cone QCD sum rules method. The parametrizations of the tensor form factors based on the series expansion are presented.

High Energy Physics - Phenomenology · Physics 2011-07-13 T. M. Aliev , M. Savci , Kwei-Chou Yang

In this review, we discuss the calculation of the $B\to P,V$ form factors within the framework of the light-cone sum rules with the light-cone distribution amplitudes of the $B$ meson. A detailed introduction to the definition, scale…

High Energy Physics - Phenomenology · Physics 2021-12-03 Yue-Long Shen , Yan-Bing Wei

Precision calculations of heavy-to-light form factors are essential to sharpen our understanding towards the strong interaction dynamics of the heavy-quark system and to shed light on a coherent solution of flavor anomalies. We briefly…

High Energy Physics - Phenomenology · Physics 2016-12-21 Yu-Ming Wang
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